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Zn, Cd and Hg lack most transition element properties because their configuration is what?
A(n-1)d10 ns2
B(n-1)d5 ns1
C(n-1)d10 ns1
D(n-1)d9 ns2
Answer & Solution
Correct answer: A. (n-1)d10 ns2
With a completely filled (n-1)d10 subshell and ns2, these metals do not show typical variable valence or coloured ions.
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